... 3.length 900mm,1m,2m 4.wooden cast package PTFE rode Polytetrafluoroethylene [PTFE, F4] is one of the best corrosion ... other area. PTFE seals, washers, gaskets, PTFE seals, gaskets, sealing washer is made from optional suspension polymerization PTFE resin molding. PTFE compared with other ... excellent features, it has been widely used as a sealing material and filler material. A high degree of chemical ...